44caliber | 80d0de1de27f659bdc31d0aab393837167b348ff4029e354be394fb2b79ba371

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 13:37

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General

Target

224e8b219e855f118375d487e6ac15f0.exe
Size

252KB
MD5

224e8b219e855f118375d487e6ac15f0
SHA1

02397f0e277508ce202d7f90b325c4ed7298eeb4
SHA256

80d0de1de27f659bdc31d0aab393837167b348ff4029e354be394fb2b79ba371
SHA512

c03b4714973936f93032e6cf5b50b12637c9a9d562221b9887b4f34c717ee03e49824dc1a2fe33d7b03c495255ab7ccb05c623807680230e8534d3cf6f1c7d4f
SSDEEP

3072:nI7+8kQQHL+ueDVpsXMpI9B0p3DvsR2P4COdP0V9y40z4Ekz1eaMjAmectmqy3hb:4+8MHMt+9B0lvq2P4Lm9y1k1z1eRbpd

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discordapp.com/api/webhooks/869635461541429258/hxEYazB2m_bqWOWdlnRrBOnLi8waabSchbnYiXPHDudSBlAEOry51hz3i902VgDh1LGm

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	freegeoip.app
4	freegeoip.app

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	224e8b219e855f118375d487e6ac15f0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	224e8b219e855f118375d487e6ac15f0.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2292	224e8b219e855f118375d487e6ac15f0.exe
2292	224e8b219e855f118375d487e6ac15f0.exe
2292	224e8b219e855f118375d487e6ac15f0.exe
2292	224e8b219e855f118375d487e6ac15f0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2292	224e8b219e855f118375d487e6ac15f0.exe

C:\Users\Admin\AppData\Local\Temp\224e8b219e855f118375d487e6ac15f0.exe
"C:\Users\Admin\AppData\Local\Temp\224e8b219e855f118375d487e6ac15f0.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
1KB

MD5
6d3179ed9e118fbce4094a33ad9c854a

SHA1
d7ab74e2ca9a899d718a3ec568227b51f51ce79b

SHA256
c09f97fd844a6b68fed80fc8b765c5566972f96e4dffa8c8c42452b403d4cea3

SHA512
d19ab3abcc5f91098445a6c7e1fd45f5f544fbd4ea362985d1695d75f812d5b1743111fb42b4ddc1bb2215694c5a82a063a2db0d1afa1c529786558cadb384bb

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
1KB

MD5
26e2e60301547f9f8e5b4284e098e1f3

SHA1
2aad8c38bffcade3e466cc1479e97e6728d9b424

SHA256
1d79363af59cf06ca392bdea9b5bfe1f62461fd58b64e9a300e1d59631d444fa

SHA512
1b4276bd0de9d012758e88c661f2d8143108401e8d6efcdd6a36bc69b0d1d199bee11dc339573f1fbffac34c4ad5462173903ac02b21e27958495076b17a8e2a

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
741B

MD5
cb3d83c94d95db14f30f1f97f9c884a6

SHA1
399f195d80dcc3e9c2cd64fdc7b3a3492ce23e35

SHA256
7153ce2627be066fe41d2da744ddcc7c155b944e797cd0b74ab0acd378786326

SHA512
1c4b3c16a6134f55be2aa578a612972889ff33631e5e87ea23662f475994a55d7b99e838de3d13a9db460d9fdfee3e6c255b536a5808255481174189583d91f6

Download Submit
memory/2292-0-0x00000000008B0000-0x00000000008F6000-memory.dmp

Filesize
280KB

Download
memory/2292-18-0x00007FFB946C0000-0x00007FFB95181000-memory.dmp

Filesize
10.8MB

Download
memory/2292-32-0x000000001B530000-0x000000001B540000-memory.dmp

Filesize
64KB

Download
memory/2292-124-0x00007FFB946C0000-0x00007FFB95181000-memory.dmp

Filesize
10.8MB

Download